Pūrongo Ahumahi
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Tirohia nga raorao me o raatau whakarōpūtanga
Ko te huringa tirotiro e pa ana ki te urupa ko wai te waahanga tuwhera me te kati i te huringa porowhita, e mahi ana i tana ake taumaha me te aukati i a ia kia aukati i te tuara o te reo. He waha aunoa, e mohiotia ana hoki ko te huringa tirotiro, te urupa kotahi, te utu mo te valves, te valval vallav ...Panui Panui -
Gate Valve Whakakotahi me nga tohu
He puaa te arai ko te urupa e neke haere ana te kati (Gate) i te pokapū o te awa. Ka taea anake te whakamahi i te Vaward Valve mo te whakatuwhera me te kati tonu i te paipa, kaore e taea te whakamahi hei whakatikatika me te throtting. Ko te Vade Valve he urupa ...Panui Panui